| --! qt:dataset:srcpart |
| --! qt:dataset:src |
| --! qt:dataset:alltypesorc |
| select current_timestamp = current_timestamp(), current_date = current_date() from src limit 5; |
| |
| set hive.test.currenttimestamp =2012-01-01 01:02:03; |
| |
| explain cbo select current_timestamp() from alltypesorc; |
| |
| --ensure that timestamp is same for all the rows while using current_timestamp() query should return single row |
| select count(*) from (select current_timestamp() from alltypesorc union select current_timestamp() from src limit 5 ) subq; |
| |
| select count(*) from (select current_timestamp() from alltypesorc |
| union |
| select current_timestamp() from src |
| limit 5 ) subqr; |
| |
| --current_timestamp() should appear as expression |
| explain extended select current_timestamp() from alltypesorc; |
| |
| --current_timestamp() + insert |
| create temporary table tmp_runtimeconstant( |
| ts1 timestamp, |
| ts2 timestamp, |
| dt date, |
| s string, |
| v varchar(50), |
| c char(50) |
| ); |
| insert into table tmp_runtimeconstant |
| select current_timestamp(), |
| cast(current_timestamp() as timestamp), |
| cast(current_timestamp() as date), |
| cast(current_timestamp() as string), |
| cast(current_timestamp() as varchar(50)), |
| cast(current_timestamp() as char(50)) |
| from alltypesorc limit 5; |
| select ts1 = ts2, |
| to_date(ts2) = dt, |
| s = v, |
| v = c |
| from tmp_runtimeconstant; |
| |
| --current_date() + insert |
| drop table if exists tmp_runtimeconstant; |
| create temporary table tmp_runtimeconstant(d date, t timestamp); |
| insert into table tmp_runtimeconstant |
| select current_date(), current_timestamp() from alltypesorc limit 5; |
| select to_date(t)=d from tmp_runtimeconstant; |
| |
| --current_timestamp() + current_date() + where |
| drop table if exists tmp_runtimeconstant; |
| create temporary table tmp_runtimeconstant(t timestamp, d date); |
| insert into table tmp_runtimeconstant |
| select current_timestamp(), current_date() from alltypesorc limit 5; |
| select count(*) from tmp_runtimeconstant |
| where current_timestamp() >= t |
| and current_date <> d; |
| |
| |
| --current_timestamp() as argument for unix_timestamp(), hour(), minute(), second() |
| select unix_timestamp(current_timestamp()), |
| hour(current_timestamp()), |
| minute(current_timestamp()), |
| second(current_timestamp()) |
| from alltypesorc limit 5; |
| |
| --current_timestamp() as argument for various date udfs |
| select to_date(current_timestamp()), |
| year(current_timestamp()), |
| month(current_timestamp()), |
| day(current_timestamp()), |
| weekofyear(current_timestamp()), |
| datediff(current_timestamp(),current_timestamp), |
| to_date(date_add(current_timestamp(), 31)), |
| to_date(date_sub(current_timestamp(), 31)), |
| last_day(current_timestamp()), |
| next_day(current_timestamp(),'FRIDAY') |
| from alltypesorc limit 5; |
| |
| --current_date() as argument for various date udfs |
| select to_date(current_date()), |
| year(current_date()), |
| month(current_date()), |
| day(current_date()), |
| weekofyear(current_date()), |
| datediff(current_date(),current_date), |
| to_date(date_add(current_date(), 31)), |
| to_date(date_sub(current_date(), 31)), |
| last_day(current_date()), |
| next_day(current_date(),'FRIDAY') |
| from alltypesorc limit 5; |
| |
| select current_timestamp() - current_timestamp(), |
| current_timestamp() - current_date(), |
| current_date() - current_timestamp(), |
| current_date() - current_date() |
| from alltypesorc limit 1; |
| |
| select ctimestamp1 - current_date(), |
| ctimestamp1- ctimestamp2, |
| current_date() - current_date(), |
| current_date() - ctimestamp2 |
| from alltypesorc |
| where ctimestamp1 is not null |
| and ctimestamp2 is not null |
| limit 5; |
| select current_date, current_timestamp from src limit 5; |
| |
| set hive.support.quoted.identifiers=none; |
| select `[kv]+.+` from srcpart order by key; |